12.有职员表:S(工号,姓名,性别,出生年月),假设要计算职工的年龄,则年龄字段的表达式为
A.Year(Now())-Year(‘出生年月’) B.Now()-Year(#出生年月#) C.Year(Now())-Year([出生年月]) D.Now()-Year(“出生年月”)正确答案C
12.有职员表:S(工号,姓名,性别,出生年月),假设要计算职工的年龄,则年龄字段的表达式为
A.Year(Now())-Year(‘出生年月’) B.Now()-Year(#出生年月#) C.Year(Now())-Year([出生年月]) D.Now()-Year(“出生年月”)正确答案C